| 摘要 |
<p>PURPOSE:To get an interblock work method which enables easy and sure liaison among work areas being divided by isolators. CONSTITUTION:Antennas 6 connected by an electric circuit 7 are provided in work areas 1, 2, and 4, respectively, and further call means 9, which operate through the antennas 6 are disposed. Hereby, wireless call substantially becomes possible among the work areas 1, 2, and 4. Accordingly, the call inferiority by nonarrival of waves is dissolved, which facilitates the action of the work director of the work areas 1, 2, and 4, and makes the liaison efficient and secure it, and the productivity and the safety of the interblock work improve.</p> |
